[fix] Aggregative downstream & new msg layer

Made necesseary fixes required to make the aggregative downstream api
integration to work with the new downstream messaging layer.

Also,fixed the case where daemon crashed when an application message
(from libnrm using pmpi) was received after container was killed

run_policy on all containers removed as the controller no longer has
application manager info

Any other refactoring and fixes required (check merge request
discussion)

See Issues #13, #20 and Merge !41
10 jobs for <span class="ref-name">wip/aggregative-downstream_for_merge</span> in 3 minutes and 6 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Build
passed #17410
integration
containers.build

00:00:01

passed #17411
integration
libnrm.build

00:00:07

passed #17412
integration
nrm.build

00:00:05

 
  Test
passed #17418
integration
Hello.test

00:00:11

passed #17419
knl
KNL-Hello.test

00:00:44

passed #17417
knl
KNL-Listen.test

00:00:43

passed #17415
knl
KNL-Perfwrapper.test

00:00:45

passed #17413
knl
KNL-Power.test

00:00:43

passed #17416
integration
Listen.test

00:00:10

passed #17414
integration
Perfwrapper.test

00:00:10